The scientist is not a person who gives the right answers, he's one who asks the right questions.

数学推理可以相当系统地看作是对两种能力的结合运用，我们可以称之为直觉和独创性。

你放弃的那一刻就是你失败的那一刻。

If you're not failing occasionally, you're not pushing hard enough.

幸福不是现成的东西。它来自你自己的行动。